Migrate JUL to SLF4J

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.logging.slf4j.JulToSlf4j

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite.recipe:rewrite-logging-frameworks:3.31.0

Definition

This recipe runs the following recipes in order.

• Replace JUL Logger creation with SLF4J LoggerFactoryorg.openrewrite.java.logging.slf4j.JulGetLoggerToLoggerFactory
• Replace JUL active Level check with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulIsLoggableToIsEnabledRecipes
• Replace parameterized JUL level call with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulParameterizedArguments
• Replace JUL active Level check with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jLambdaSupplierRecipes
• Replace JUL log(Level, Throwable, Supplier<String>) with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jLambdaSupplierWithThrowableRecipes
• Replace JUL log(Level, String, Throwable) with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jSimpleCallsWithThrowableRecipes
• Replace JUL Level.ALL logging with SLF4J's trace levelorg.openrewrite.java.logging.slf4j.JulLevelAllToTraceRecipe
• Migrate JUL to Log4j 2.x APIorg.openrewrite.java.logging.log4j.JulToLog4j
• Migrate Log4j 2.x to SLF4J 1.xorg.openrewrite.java.logging.slf4j.Log4j2ToSlf4j1

Data tables

Structured output this recipe can produce.

• Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
• Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
• Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
• Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats